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  • Tokyo, Japan
  • 12:25 (UTC +09:00)

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Achievements

Achievement: Pair Extraordinairex4Achievement: Pull Sharkx4Achievement: YOLOAchievement: QuickdrawAchievement: Arctic Code Vault Contributor

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frauniki/README.md

frauniki

Infrastructure & SRE Engineer in Japan

Tokyo, Japan Platform SRE

About

name: Kodai Matsumoto (frauniki)
role: Platform SRE / Tech Lead
company: freee K.K.
location: Tokyo, Japan
working_on: reliability and scalability with Kubernetes and Istio service mesh
also: [backend, frontend, native app development]  # freelance / contract work
interests: [kubernetes, service-mesh, reliability, developer-platforms, observability]

Experience

Platform SRE / Tech Lead · freee K.K.
2022 — Present · Tokyo, Japan

Ensuring reliability and scalability with Kubernetes and Istio service mesh, leading the team's technical direction.

Infrastructure Engineer, Software Engineer · LINE Corporation
2019 — 2022 · Tokyo, Japan

IT Service Center, System Department. Automated LINE's bare-metal server provisioning pipeline with Argo Workflows, from rack-in to handover as usable compute.

Software Engineer · Freelance / Contract
Remote

Backend, frontend and native app development for client products, along with the infrastructure and SRE work around them.

Writing

Open Source

Merged contributions to:

istio/istio istio/tools kiali/kiali kedacore/keda kgateway-dev/kgateway cert-manager/istio-csr argoproj/argo-helm project-zot/zot di-sukharev/opencommit FeLvi-zzz/tentez

Tech Stack

Languages

Go, Kotlin, Swift, TypeScript, JavaScript, Python, Bash

Infrastructure & SRE

Kubernetes, Terraform, Docker, Grafana, Prometheus, AWS, GCP, Azure, Linux

Istio Argo CD Helm Datadog

Frameworks & Data

React, Vue, Node.js, GraphQL, PostgreSQL

Stats

GitHub stats GitHub streak Top languages Most commit language Profile stats Productive time

Pinned Loading

  1. verikube verikube Public

    Kubernetes operator for declarative network checks — run TCP/HTTP/gRPC reachability probes from the nodes you choose

    Go 1

  2. edgedash edgedash Public

    iStat Menus-style dashboard for the Corsair XENEON EDGE, with real touch

    Swift

  3. kubepark kubepark Public

    Persistent, declarative sandboxes for Kubernetes.

    Go

  4. redash-mcp redash-mcp Public

    MCP Server for Redash — execute queries, create visualizations, and build dashboards from Claude Code or any MCP client.

    TypeScript